US4802042A - Side-vented magnetic head air bearing slider - Google Patents
Side-vented magnetic head air bearing slider Download PDFInfo
- Publication number
- US4802042A US4802042A US07/011,655 US1165587A US4802042A US 4802042 A US4802042 A US 4802042A US 1165587 A US1165587 A US 1165587A US 4802042 A US4802042 A US 4802042A
- Authority
- US
- United States
- Prior art keywords
- air bearing
- slider
- negative pressure
- bearing surface
- vents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
Abstract
Description
Claims (3)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/011,655 US4802042A (en) | 1987-02-05 | 1987-02-05 | Side-vented magnetic head air bearing slider |
CA000548654A CA1289180C (en) | 1987-02-05 | 1987-10-06 | Side-vented magnetic head air bearing slider |
DE8787309130T DE3782037T2 (en) | 1987-02-05 | 1987-10-15 | SELF-LOADING FLYING MAGNET HEAD. |
EP87309130A EP0277414B1 (en) | 1987-02-05 | 1987-10-15 | Self-loading gas bearing slider |
AU80122/87A AU8012287A (en) | 1987-02-05 | 1987-10-26 | Self-loading air bearing slider |
JP62313118A JPS63197076A (en) | 1987-02-05 | 1987-12-10 | Self-loading air support slider |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/011,655 US4802042A (en) | 1987-02-05 | 1987-02-05 | Side-vented magnetic head air bearing slider |
Publications (1)
Publication Number | Publication Date |
---|---|
US4802042A true US4802042A (en) | 1989-01-31 |
Family
ID=21751402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/011,655 Expired - Lifetime US4802042A (en) | 1987-02-05 | 1987-02-05 | Side-vented magnetic head air bearing slider |
Country Status (6)
Country | Link |
---|---|
US (1) | US4802042A (en) |
EP (1) | EP0277414B1 (en) |
JP (1) | JPS63197076A (en) |
AU (1) | AU8012287A (en) |
CA (1) | CA1289180C (en) |
DE (1) | DE3782037T2 (en) |
Cited By (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5086360A (en) * | 1990-09-06 | 1992-02-04 | Applied Magnetics Corporation | Constant flying height slider |
US5097370A (en) * | 1989-03-17 | 1992-03-17 | Digital Equipment Corporation | Subambient pressure air bearing slider for disk drive |
US5128822A (en) * | 1990-05-25 | 1992-07-07 | Seagate Technology, Inc. | Configuration for negative pressure air bearing sliders |
US5196973A (en) * | 1990-05-25 | 1993-03-23 | Seagate Technology, Inc. | Negative pressure air bearing slider having isolation channels which terminate prior to trailing edge |
US5200868A (en) * | 1990-05-25 | 1993-04-06 | Seagate Technology, Inc. | Negative pressure air bearing slider having an air bearing surface trailing a negative pressure cavity |
US5210666A (en) * | 1990-05-25 | 1993-05-11 | Seagate Technology, Inc. | Self-loading air bearing slider with a relieved leading edge |
US5218495A (en) * | 1990-05-25 | 1993-06-08 | Seagate Technology, Inc. | Negative pressure air bearing slider with spoiler channels |
US5218494A (en) * | 1990-05-25 | 1993-06-08 | Seagate Technology, Inc. | Negative pressure air bearing slider having isolation channels with edge step |
US5237861A (en) * | 1990-07-19 | 1993-08-24 | Seiko Seiki Kabushiki Kaisha | Magnetic disk inspection apparatus |
US5267109A (en) * | 1991-06-14 | 1993-11-30 | Seagate Technology, Inc. | Air bearing slider with relieved trailing edge |
US5274518A (en) * | 1990-05-25 | 1993-12-28 | Seagate Technology, Inc. | Negative pressure air bearing slider having converging isolation channels |
US5343343A (en) * | 1990-05-25 | 1994-08-30 | Seagate Technology, Inc. | Air bearing slider with relieved rail ends |
US5345353A (en) * | 1992-09-21 | 1994-09-06 | International Business Machines Corporation | Step projection air bearing slider with improved stiction performance and wear resistance |
US5396386A (en) * | 1993-05-28 | 1995-03-07 | International Business Machines Corporation | Roll insensitive air bearing slider |
US5424888A (en) * | 1993-06-24 | 1995-06-13 | International Business Machines Corp. | Speed independent, air bearing slider |
US5438467A (en) * | 1992-10-28 | 1995-08-01 | International Business Machines Corporation | Negative pressure air bearing design |
US5452151A (en) * | 1992-05-29 | 1995-09-19 | J. Money & Associates, Inc. | Data access module |
US5473485A (en) * | 1992-03-06 | 1995-12-05 | Read-Rite Corporation | Tripad air bearing magnetic head slider |
US5537273A (en) * | 1993-06-24 | 1996-07-16 | International Business Machines Corporation | Speed and skew independent, air bearing slider |
US5550693A (en) * | 1994-10-31 | 1996-08-27 | International Business Machines Corporation | Air bearing slider having projections that provide minimal actual contact area |
US5624581A (en) * | 1993-09-08 | 1997-04-29 | Seagate Technology, Inc. | Process for forming a simplified self-loading head slider |
US5636086A (en) * | 1993-05-28 | 1997-06-03 | International Business Machines Corporation | Roll insensitive air bearing slider |
US5654853A (en) * | 1994-02-04 | 1997-08-05 | Seagate Technology, Inc. | Disc storage device having a magnetic head air bearing slider configuration for reduced disc overhead |
US5663853A (en) * | 1994-07-07 | 1997-09-02 | Samsung Electronics Co, Ltd. | Head slider assembly having first and second leading edge tapered portions formed on lower and upper surfaces of an air inflow edge |
US5677812A (en) * | 1996-01-26 | 1997-10-14 | Samsung Electronics, North America | Air bearing slider with variable sub-ambient pressure control |
WO1997041555A1 (en) * | 1996-04-26 | 1997-11-06 | Quantum Corporation | Altitude insensitive negative pressure slider for a disk drive |
US5721650A (en) * | 1996-08-26 | 1998-02-24 | Seagate Technology, Inc. | Self-loading disc head slider having blunt cross rail |
US5748408A (en) * | 1991-10-30 | 1998-05-05 | Commissariat A L'energie Atomique | Flight slider for magnetic recording |
US5777825A (en) * | 1996-09-04 | 1998-07-07 | International Business Machines Corporation | Negative pressure step pad air bearing design and method for making the same |
US5831791A (en) * | 1996-03-27 | 1998-11-03 | Headway Technologies, Inc. | Negative Pressure air bearing slider having transition region between positive and negative pressure regions |
US5914833A (en) * | 1995-03-07 | 1999-06-22 | Sony Corporation | Floating type head slider, floating type head device, and disc drive |
US5942680A (en) * | 1997-04-22 | 1999-08-24 | Seagate Technology, Inc. | Multi-impact asperity sensor and burnish head |
US5973881A (en) * | 1997-03-14 | 1999-10-26 | Nec Corporation | Magnetic head slider with rail grooves narrowing from base thereof |
US6021020A (en) * | 1996-10-28 | 2000-02-01 | Kabushiki Kaisha Toshiba | Head slider and read/write apparatus using same |
US6034842A (en) * | 1996-08-30 | 2000-03-07 | Sae Magnetics (H.K.) Ltd. | Subambient pressure slider for constant flying height |
US6071007A (en) * | 1997-05-21 | 2000-06-06 | Seagate Technology, Inc. | Thermal asperity detection head |
US6075683A (en) * | 1993-04-26 | 2000-06-13 | International Business Machines Corporation | Disk drive with passive multiple fly height slider and cooperative disk pattern |
US6167016A (en) * | 1997-04-11 | 2000-12-26 | Aerial Imaging Corporation | Optical head with a diffractive lens for focusing a laser beam |
US6181519B1 (en) | 1997-04-24 | 2001-01-30 | Samsung Electronics Co., Ltd. | Tri-pad air bearing head slider having leading edge and trailing edge of air bearing side pads tapered to minimize takeoff and landing velocity and time |
US6188547B1 (en) | 1998-06-04 | 2001-02-13 | Seagate Technology Llc | Slider with pressure relief trenches |
US6205849B1 (en) | 1997-08-18 | 2001-03-27 | Seagate Technology Llc | Glide head using an ion etched air bearing |
US6359753B1 (en) * | 1998-06-11 | 2002-03-19 | Mitsumi Electric Co., Ltd. | Floating magnetic head for use with flexible disks |
US6417994B1 (en) | 1999-04-22 | 2002-07-09 | Samsung Electronics, Co., Ltd. | Swage plate with protruded walls to increase retention torque in hard disk applications |
US6417986B1 (en) | 1998-11-16 | 2002-07-09 | Samsung Electronics Co., Ltd. | Impact guard for limiting hard disk movement |
US6445544B2 (en) | 1995-04-07 | 2002-09-03 | Hitachi, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US6446517B1 (en) | 2000-11-20 | 2002-09-10 | Samsung Electronics Company | Controlled particle deposition in drives and on media for thermal asperity studies |
US6487049B1 (en) * | 1998-12-23 | 2002-11-26 | Iomega Corporation | Drive heads for storage media drive with displaced pair of sensors |
US6497021B2 (en) | 1999-01-14 | 2002-12-24 | International Business Machines Corporation | Method and apparatus for providing a low cost contact burnish slider |
US6501614B1 (en) | 1999-08-19 | 2002-12-31 | Samsung Electronics Co., Ltd. | Acoustic insulator for controlling noise generated in a mass storage device |
US6536265B1 (en) | 1999-12-02 | 2003-03-25 | Seagate Technology Llc | Micro-textured glide sliders for super-smooth media |
US20030067719A1 (en) * | 2001-10-10 | 2003-04-10 | Zine-Eddine Boutaghou | Slider for a data storage device having improved stiction control with reduced interference with air bearing pressurization |
US6549372B1 (en) | 1998-12-15 | 2003-04-15 | Samsung Electronics Co., Ltd | Device for limiting head movement within a hard disk drive |
US20030107955A1 (en) * | 2001-12-12 | 2003-06-12 | Matsushita Electric Industrial Co., Ltd. | Converter support device |
US20030107842A1 (en) * | 2001-12-11 | 2003-06-12 | Headway Technologies, Inc. | Slider of thin-film magnetic head and method of manufacturing same |
US6590738B2 (en) | 2001-03-01 | 2003-07-08 | Samsung Electronics Co., Ltd. | Particle removal device in a hard disk drive |
US6603639B1 (en) | 1998-07-21 | 2003-08-05 | Seagate Technology Llc | Slider for disc storage system |
US6619105B1 (en) | 2000-04-12 | 2003-09-16 | Seagate Technology Llc | Glide head with anti-collapsing protection feature |
US6646832B2 (en) * | 2001-01-29 | 2003-11-11 | Manuel Anaya-Dufresne | Slider for load/unload operation with high stiffness and low unload force |
US6654205B1 (en) * | 1999-11-01 | 2003-11-25 | Maxtor Corporation | Air bearing surface for reducing pressure gradients |
US20040027724A1 (en) * | 2002-08-06 | 2004-02-12 | Pendray John R. | Disc head slider with bearing pad design |
US6704161B1 (en) | 1998-11-06 | 2004-03-09 | Samsung Electronics Co. Ltd. | Shock protection skin bumper for a hard disk drive |
US6744597B2 (en) | 1999-10-29 | 2004-06-01 | Samsung Electronics Co., Ltd. | Dynamic absorber for an actuator arm in a disk drive |
US6762908B2 (en) | 2001-06-18 | 2004-07-13 | Samsung Electronics Co., Ltd. | Air razor and disk limiter for a hard disk drive |
US20040156143A1 (en) * | 2003-02-08 | 2004-08-12 | Samsung Electronics Co., Ltd. | Air bearing slider for disk drive |
US6873496B1 (en) | 2000-01-03 | 2005-03-29 | Western Digital Fremont, Inc. | Side rail slider having improved fly height control |
US20050157426A1 (en) * | 2002-12-26 | 2005-07-21 | Fujitsu Limited | Head slider having groove on medium-opposed surface and recording medium drive employing the same |
US6947252B2 (en) | 2000-05-10 | 2005-09-20 | Samsung Electronics Co., Ltd. | Wave stringer for controlling acoustic noise and shock vibration in a storage device |
US20070183095A1 (en) * | 2006-02-09 | 2007-08-09 | Qinghua Zeng | Slider air bearing for mobile drives |
US20070190907A1 (en) * | 2006-02-13 | 2007-08-16 | Ahead Magnetics, Inc. | Burnishing head |
US7417828B2 (en) | 2000-07-11 | 2008-08-26 | Seagate Technology Llc | Bi-level cavity for a slider air-bearing surface |
US20090284869A1 (en) * | 2008-05-13 | 2009-11-19 | Bandic Zvonimir Z | Compliant air bearing slider |
US8514671B2 (en) | 2011-07-29 | 2013-08-20 | Seagate Technology Llc | Laser recess head gimbal assembly |
CN103871431A (en) * | 2012-12-07 | 2014-06-18 | 希捷科技有限公司 | Slider with shock damping features |
US11594247B1 (en) * | 2022-02-28 | 2023-02-28 | Western Digital Technologies, Inc. | Slider air bearing designs with higher pressure and higher thermal flying height (TFC) efficiency |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1323421C (en) * | 1989-03-17 | 1993-10-19 | Yiao-Tee Hsia | Disc drive slider configured to counteract roll |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678482A (en) * | 1970-08-26 | 1972-07-18 | Burroughs Corp | Multiple surface fluid film bearing |
US3855625A (en) * | 1973-12-19 | 1974-12-17 | Ibm | Magnetic head slider assembly |
US4081846A (en) * | 1976-06-07 | 1978-03-28 | Applied Magnetics Corporation | Magnetic head-slider assembly |
US4218715A (en) * | 1979-03-12 | 1980-08-19 | International Business Machines Corporation | Magnetic head slider assembly |
US4420780A (en) * | 1981-08-17 | 1983-12-13 | International Business Machines | Self-loading magnetic head air bearing slider |
US4475135A (en) * | 1981-10-07 | 1984-10-02 | International Business Machines | Magnetic head air bearing slider |
US4553184A (en) * | 1981-07-31 | 1985-11-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Magnetic head slider |
US4555739A (en) * | 1982-11-26 | 1985-11-26 | International Business Machines Corporation | Semi self-loading ferrite head |
US4646180A (en) * | 1982-09-30 | 1987-02-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Floating head slider |
US4644641A (en) * | 1985-12-30 | 1987-02-24 | Memorex Corporation | Fabrication of "Delta" magnetic head-sliders |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60109073A (en) * | 1983-11-17 | 1985-06-14 | Fujitsu Ltd | Slider for magnetic head |
JPS60199073A (en) * | 1984-03-23 | 1985-10-08 | Tamio Yamane | Pasty kneaded wall material |
CA1286768C (en) * | 1985-12-30 | 1991-07-23 | Unisys Corporation | "delta" magnetic head-slider |
DE3681915D1 (en) * | 1985-12-30 | 1991-11-14 | Unisys Corp | SLIDING PIECE FOR MAGNETIC HEAD AND METHOD FOR PRODUCING THE SAME. |
US4785161A (en) * | 1986-07-21 | 1988-11-15 | Control Data Corporation | Laser machining for producing very small parts |
-
1987
- 1987-02-05 US US07/011,655 patent/US4802042A/en not_active Expired - Lifetime
- 1987-10-06 CA CA000548654A patent/CA1289180C/en not_active Expired - Fee Related
- 1987-10-15 EP EP87309130A patent/EP0277414B1/en not_active Expired - Lifetime
- 1987-10-15 DE DE8787309130T patent/DE3782037T2/en not_active Expired - Fee Related
- 1987-10-26 AU AU80122/87A patent/AU8012287A/en not_active Abandoned
- 1987-12-10 JP JP62313118A patent/JPS63197076A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678482A (en) * | 1970-08-26 | 1972-07-18 | Burroughs Corp | Multiple surface fluid film bearing |
US3855625A (en) * | 1973-12-19 | 1974-12-17 | Ibm | Magnetic head slider assembly |
US4081846A (en) * | 1976-06-07 | 1978-03-28 | Applied Magnetics Corporation | Magnetic head-slider assembly |
US4218715A (en) * | 1979-03-12 | 1980-08-19 | International Business Machines Corporation | Magnetic head slider assembly |
US4553184A (en) * | 1981-07-31 | 1985-11-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Magnetic head slider |
US4420780A (en) * | 1981-08-17 | 1983-12-13 | International Business Machines | Self-loading magnetic head air bearing slider |
US4475135A (en) * | 1981-10-07 | 1984-10-02 | International Business Machines | Magnetic head air bearing slider |
US4646180A (en) * | 1982-09-30 | 1987-02-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Floating head slider |
US4555739A (en) * | 1982-11-26 | 1985-11-26 | International Business Machines Corporation | Semi self-loading ferrite head |
US4644641A (en) * | 1985-12-30 | 1987-02-24 | Memorex Corporation | Fabrication of "Delta" magnetic head-sliders |
Non-Patent Citations (4)
Title |
---|
IBM Technical Disclosure Bulletin, "Magnetic Disk Storage System with Structured Magnetic Head Slider", vol. 27, No. 10A, Mar. 1985, pp. 5820-5821. |
IBM Technical Disclosure Bulletin, Magnetic Disk Storage System with Structured Magnetic Head Slider , vol. 27, No. 10A, Mar. 1985, pp. 5820 5821. * |
Yoneoka et al., "Design Considerations for Negative Pressure Head Sliders", Fujitsu Sci. Tech. J., 21, 1, pp. 40-49, Mar. 1985. |
Yoneoka et al., Design Considerations for Negative Pressure Head Sliders , Fujitsu Sci. Tech. J., 21, 1, pp. 40 49, Mar. 1985. * |
Cited By (105)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5309303A (en) * | 1989-03-17 | 1994-05-03 | Digital Equipment Corporation | Subambient pressure air bearing slider for disk drive |
US5097370A (en) * | 1989-03-17 | 1992-03-17 | Digital Equipment Corporation | Subambient pressure air bearing slider for disk drive |
US5317465A (en) * | 1990-05-25 | 1994-05-31 | Seagate Technology, Inc. | Negative pressure air bearing slider with a choke for restricting air flow |
USRE35800E (en) * | 1990-05-25 | 1998-05-19 | Seagate Technology, Inc. | Air bearing slider with relieved rail ends |
US5343343A (en) * | 1990-05-25 | 1994-08-30 | Seagate Technology, Inc. | Air bearing slider with relieved rail ends |
US5210666A (en) * | 1990-05-25 | 1993-05-11 | Seagate Technology, Inc. | Self-loading air bearing slider with a relieved leading edge |
US5218495A (en) * | 1990-05-25 | 1993-06-08 | Seagate Technology, Inc. | Negative pressure air bearing slider with spoiler channels |
US5218494A (en) * | 1990-05-25 | 1993-06-08 | Seagate Technology, Inc. | Negative pressure air bearing slider having isolation channels with edge step |
US5196973A (en) * | 1990-05-25 | 1993-03-23 | Seagate Technology, Inc. | Negative pressure air bearing slider having isolation channels which terminate prior to trailing edge |
US5274518A (en) * | 1990-05-25 | 1993-12-28 | Seagate Technology, Inc. | Negative pressure air bearing slider having converging isolation channels |
US5200868A (en) * | 1990-05-25 | 1993-04-06 | Seagate Technology, Inc. | Negative pressure air bearing slider having an air bearing surface trailing a negative pressure cavity |
US5128822A (en) * | 1990-05-25 | 1992-07-07 | Seagate Technology, Inc. | Configuration for negative pressure air bearing sliders |
US5237861A (en) * | 1990-07-19 | 1993-08-24 | Seiko Seiki Kabushiki Kaisha | Magnetic disk inspection apparatus |
US5086360A (en) * | 1990-09-06 | 1992-02-04 | Applied Magnetics Corporation | Constant flying height slider |
US5267109A (en) * | 1991-06-14 | 1993-11-30 | Seagate Technology, Inc. | Air bearing slider with relieved trailing edge |
US5748408A (en) * | 1991-10-30 | 1998-05-05 | Commissariat A L'energie Atomique | Flight slider for magnetic recording |
US5473485A (en) * | 1992-03-06 | 1995-12-05 | Read-Rite Corporation | Tripad air bearing magnetic head slider |
US5452151A (en) * | 1992-05-29 | 1995-09-19 | J. Money & Associates, Inc. | Data access module |
US5345353A (en) * | 1992-09-21 | 1994-09-06 | International Business Machines Corporation | Step projection air bearing slider with improved stiction performance and wear resistance |
US6449126B1 (en) | 1992-10-28 | 2002-09-10 | International Business Machines Corporation | Negative pressure air bearing slider |
US5438467A (en) * | 1992-10-28 | 1995-08-01 | International Business Machines Corporation | Negative pressure air bearing design |
US6055130A (en) * | 1992-10-28 | 2000-04-25 | International Business Machines Corporation | Slider with negative pressure air bearing |
US5798889A (en) * | 1992-10-28 | 1998-08-25 | International Business Machines Corporation | Negative pressure air bearing |
US6075683A (en) * | 1993-04-26 | 2000-06-13 | International Business Machines Corporation | Disk drive with passive multiple fly height slider and cooperative disk pattern |
US5396386A (en) * | 1993-05-28 | 1995-03-07 | International Business Machines Corporation | Roll insensitive air bearing slider |
US5737151A (en) * | 1993-05-28 | 1998-04-07 | International Business Machines Corporation | Roll insensitive air bearing slider |
GB2278485B (en) * | 1993-05-28 | 1997-03-26 | Ibm | Roll insensitive air bearing slider |
US5650893A (en) * | 1993-05-28 | 1997-07-22 | International Business Machines Corporation | Roll insensitive air bearing slider |
US5636086A (en) * | 1993-05-28 | 1997-06-03 | International Business Machines Corporation | Roll insensitive air bearing slider |
US5537273A (en) * | 1993-06-24 | 1996-07-16 | International Business Machines Corporation | Speed and skew independent, air bearing slider |
US5424888A (en) * | 1993-06-24 | 1995-06-13 | International Business Machines Corp. | Speed independent, air bearing slider |
US5624581A (en) * | 1993-09-08 | 1997-04-29 | Seagate Technology, Inc. | Process for forming a simplified self-loading head slider |
US5654853A (en) * | 1994-02-04 | 1997-08-05 | Seagate Technology, Inc. | Disc storage device having a magnetic head air bearing slider configuration for reduced disc overhead |
US5923499A (en) * | 1994-02-04 | 1999-07-13 | Seagate Technology, Inc. | Air bearing slider having shaped air bearing surface extending portion located on central axis |
US5663853A (en) * | 1994-07-07 | 1997-09-02 | Samsung Electronics Co, Ltd. | Head slider assembly having first and second leading edge tapered portions formed on lower and upper surfaces of an air inflow edge |
US5550693A (en) * | 1994-10-31 | 1996-08-27 | International Business Machines Corporation | Air bearing slider having projections that provide minimal actual contact area |
US5914833A (en) * | 1995-03-07 | 1999-06-22 | Sony Corporation | Floating type head slider, floating type head device, and disc drive |
US6493179B2 (en) | 1995-04-07 | 2002-12-10 | Hitachi, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US20030021059A1 (en) * | 1995-04-07 | 2003-01-30 | Hitachi, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US7061722B2 (en) | 1995-04-07 | 2006-06-13 | Hitachi Global Storage Technologies Japan, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US6760193B1 (en) * | 1995-04-07 | 2004-07-06 | Hitachi Global Storage Technologies Japan, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US6445544B2 (en) | 1995-04-07 | 2002-09-03 | Hitachi, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
US5677812A (en) * | 1996-01-26 | 1997-10-14 | Samsung Electronics, North America | Air bearing slider with variable sub-ambient pressure control |
US5949614A (en) * | 1996-03-27 | 1999-09-07 | Headway Technologies, Inc. | Adjustable negative pressure air bearing slider |
US5831791A (en) * | 1996-03-27 | 1998-11-03 | Headway Technologies, Inc. | Negative Pressure air bearing slider having transition region between positive and negative pressure regions |
WO1997041555A1 (en) * | 1996-04-26 | 1997-11-06 | Quantum Corporation | Altitude insensitive negative pressure slider for a disk drive |
US5721650A (en) * | 1996-08-26 | 1998-02-24 | Seagate Technology, Inc. | Self-loading disc head slider having blunt cross rail |
US6034842A (en) * | 1996-08-30 | 2000-03-07 | Sae Magnetics (H.K.) Ltd. | Subambient pressure slider for constant flying height |
US5777825A (en) * | 1996-09-04 | 1998-07-07 | International Business Machines Corporation | Negative pressure step pad air bearing design and method for making the same |
US6021020A (en) * | 1996-10-28 | 2000-02-01 | Kabushiki Kaisha Toshiba | Head slider and read/write apparatus using same |
US5973881A (en) * | 1997-03-14 | 1999-10-26 | Nec Corporation | Magnetic head slider with rail grooves narrowing from base thereof |
US6167016A (en) * | 1997-04-11 | 2000-12-26 | Aerial Imaging Corporation | Optical head with a diffractive lens for focusing a laser beam |
US5942680A (en) * | 1997-04-22 | 1999-08-24 | Seagate Technology, Inc. | Multi-impact asperity sensor and burnish head |
US6181519B1 (en) | 1997-04-24 | 2001-01-30 | Samsung Electronics Co., Ltd. | Tri-pad air bearing head slider having leading edge and trailing edge of air bearing side pads tapered to minimize takeoff and landing velocity and time |
US6071007A (en) * | 1997-05-21 | 2000-06-06 | Seagate Technology, Inc. | Thermal asperity detection head |
US6205849B1 (en) | 1997-08-18 | 2001-03-27 | Seagate Technology Llc | Glide head using an ion etched air bearing |
US6445543B1 (en) | 1998-06-04 | 2002-09-03 | Seagate Technology Llc | Slider with pressure relief trenches |
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Also Published As
Publication number | Publication date |
---|---|
EP0277414A3 (en) | 1989-03-01 |
EP0277414A2 (en) | 1988-08-10 |
CA1289180C (en) | 1991-09-17 |
AU8012287A (en) | 1988-08-11 |
JPS63197076A (en) | 1988-08-15 |
DE3782037D1 (en) | 1992-11-05 |
EP0277414B1 (en) | 1992-09-30 |
DE3782037T2 (en) | 1993-03-04 |
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